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SDI Open Water questions and answers graded A+
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SDI Open Water questions and answers graded A+
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SDI Open Water questions and answersgraded A+
Describe all the steps to assemble a BCD and regulator to a scuba cylinder. - correct answer ✔✔Spin the
tank around so that the back of the valve is facing you. Place the BCD band(s) over the top of the cylinder
so that the back of the BCD is facing you. Raise or lower the BCD so the top is even with the cylinder
valve. Fasten the buckles. Remove dust cap, hold first stage in left hand, rotate the chambers until the
primary second stage sits on the right. Screw the knob on your first stage until it is finger tight. Connect
the low pressure inflator hose to the stem on the BCD's inflator. Turn on the air.
How should you go about checking that your BCD is attached securely to your cylinder? - correct answer
✔✔You lift up by the BCD and gently shake it.
What is the purpose of streamlining your hoses and accessories? - correct answer ✔✔So they don't get
tangled/ in the way.
Describe from the start to finish the steps to disassemble your scuba system. - correct answer ✔✔1.
Remove accessories and weights
2. Decompress the system: Turn the valve knob completely clockwise. Decompress one of the second
gauges (purge button or the auto inflator button to vent air remaining in the hoses)
3. Detach the LP hose from the inflator assembly by pulling the collar back on the quick disconnect.
Unscrew the yoke knob until the first stage can slip off the top of the valve.
4. Undo the straps and remove the BCD from the cylinder.
5. Rinse off gear and fill and dump BCD
*Describe two important features of a weight system.* - correct answer ✔✔1. To weigh you down
2. You can use different weights
What should you do any time the second stage is out of your mouth? - correct answer ✔✔Put the back
up in your mouth then do either a sweep or reach technique to get it back.
Describe two ways to clear a flooded second stage. - correct answer ✔✔1. Depress the purge button
before inhaling.
, 2. Exhale into the mouthpiece.
What is the hand signal for out-of-air? - correct answer ✔✔Flat hand cut across your neck
The thumbs up signal means "OK." True or False? - correct answer ✔✔False
Describe two different ways to indicate "OK". - correct answer ✔✔1. Pointer thumb touch
2. Fist on your head
Describe how to perform a giant stride entry off a boat. - correct answer ✔✔Stand on the edge of the
dive platform, check the water below to make sure it is clear of other divers, put your right hand over
your mask and regulator and your left hand over your weight belt buckle, stand straight, look directly
ahead and take a big step out off the edge of the platform. Signal OK if everything is alright.
Name four different water entries. - correct answer ✔✔1. Giant stride
2. Controlled sated
3. Back roll entry
4. Shore entry
Describe the two emergency out-of-air ascents. - correct answer ✔✔1. Signal out of air
2. Remove regulator, exhale, reach for your buddy's alternate air source.
3. Put in your mouth, purge and breath exchanging "OK" and "Go up" hand signals.
4. Donor should hold onto the receiver's BCD shoulder strap as you slowly ascend together.
5. Orally inflate your BCD when you reach the surface.
1. Signal out of air
2. Donor grabs buddy, takes a breath, and gives buddy regulator.
3. Receiver purges and takes 2 breaths and passes it back.
4. Donor keeps hand on the hose and they both go up repeating steps 2-3.
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